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Patent Searching and Data


Title:
INFORMATION PROCESSING DEVICE, METHOD, AND PROGRAM
Document Type and Number:
WIPO Patent Application WO/2022/249553
Kind Code:
A1
Abstract:
The present technology pertains to an information processing device, a method, and a program that make it possible to ensure the authenticity of a video. The information processing device comprises: a signature generation unit that uses identification information assigned to a time block comprising a plurality of frames of a video, the frames of the video, and a first secret key of a public-key cryptosystem as a basis to generate a first signature for each frame; a certificate generation unit that generates a certificate including the identification information; and an output unit that outputs the certificate, the video, and the first signatures. The present technology can be applied to a transcoder.

Inventors:
KOBAYASHI YOSHIYUKI (JP)
IGARASHI TATSUYA (JP)
Application Number:
PCT/JP2022/004217
Publication Date:
December 01, 2022
Filing Date:
February 03, 2022
Export Citation:
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Assignee:
SONY GROUP CORP (JP)
International Classes:
H04L9/32; G06F21/64; G09C1/00; H04N21/835
Domestic Patent References:
WO2021015169A12021-01-28
Foreign References:
JP2005318068A2005-11-10
JP2015088855A2015-05-07
JP2017041841A2017-02-23
Attorney, Agent or Firm:
NISHIKAWA Takashi et al. (JP)
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